Kazusa's overworking finally catches up to her, and she collapses two days before the school fair.  Haruki cares for her as he continues to practice his guitar.  Kazusa, in a (possibly) fevered state, tells him about her troubled relationship with her mother Youko.  But meanwhile, at the concert rehearsal in the gym, Setsuna is separated from the other two and feels lonely and afraid her first time on stage.
If there's something wrong, 
you can count on me.
Wenn's Probleme gibt,
kannst du auf mich zählen.
Si hay algo malo, puedes contar conmigo.
Si te pasa algo, puedes contar conmigo.
Tu peux compter sur moi 
en cas de besoin.
Se tiver algum problema, 
pode contar comigo.